Energy storage and power supply device



FIG. 1 is a front, right, and top perspective view of an energy storage and power supply device, showing our design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a second perspective view thereof, shown in an open position; and,

FIG. 9 is a third perspective view shown in an environment of use.

The broken lines illustrate portions of the energy storage and power supply device and environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for an energy storage and power supply device, as shown and described. 